On Jan 8, 9:31 am, Alex van der Spek <am...@xs4all.nl> wrote: > >>> eval('07') > 7 > >>> eval('08') > > Traceback (most recent call last): > File "<pyshell#3>", line 1, in <module> > eval('08') > File "<string>", line 1 > 08 > ^ > SyntaxError: invalid token
An integer literal with a leading zero is interpreted as an octal (base 8) number, so only digits in the range 0-7 (inclusive) are permitted in such a literal. Mark > > I can't think of anything that could cause this. Similarly, eval('09') > fails, but for string 0x with x<8 it works. I am teaching myself Python > in order to climb the ladder from > Algol(1980s)-->Pascal(1990s)-->VisualBasic(2000)-->Python. I am a physicist, > have programmed computers > > all my life but I won't understand the real tech jargon of present day > computer science. Please keep it simple > > Thanks in advance, > Alex van der Spek -- http://mail.python.org/mailman/listinfo/python-list